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Finding the Fourth Proportional to 200,545.52, 276,760.44 and 114,518.52

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Solution

The fourth proportional to 200,545.52, 276,760.44 and 114,518.52 is: 158,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,545.52 : 276,760.44 = 114,518.52 : x
  2. Step 2: Convert to fraction form
    200,545.52/276,760.44 = 114,518.52/x
  3. Step 3: Cross multiply
    200,545.52x = 276,760.44 × 114,518.52
  4. Step 4: Simplify right side
    200,545.52x = 31,694,195,983.35
  5. Step 5: Solve for x
    x = 31,694,195,983.35/200,545.52
  6. Step 6: Final answer
    x = 158,039.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.